392884397 has 2 divisors, whose sum is σ = 392884398. Its totient is φ = 392884396.

The previous prime is 392884379. The next prime is 392884417. The reversal of 392884397 is 793488293.

Together with previous prime (392884379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289374121 + 103510276 = 17011^2 + 10174^2 .

It is a cyclic number.

It is not a de Polignac number, because 392884397 - 2¹⁰ = 392883373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392884697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196442198 + 196442199.

It is an arithmetic number, because the mean of its divisors is an integer number (196442199).

Almost surely, 2^392884397 is an apocalyptic number.

It is an amenable number.

392884397 is a deficient number, since it is larger than the sum of its proper divisors (1).

392884397 is an equidigital number, since it uses as much as digits as its factorization.

392884397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 392884397 is about 19821.3116871715. The cubic root of 392884397 is about 732.4111161938.

The spelling of 392884397 in words is "three hundred ninety-two million, eight hundred eighty-four thousand, three hundred ninety-seven".